Vigil@nce - usrsctp: out-of-bounds memory reading via sctp_load_addresses_from_init
May 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Chrome, Edge Chromium, Firefox,
Thunderbird, openSUSE Leap, Opera, Solaris, RHEL, Slackware, SUSE
Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 19/03/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
sctp_load_addresses_from_init() of usrsctp, in order to trigger a
denial of service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN